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USN-951-1: Samba vulnerability

16 June 2010

Remote code execution as root via Samba.



  • samba - SMB/CIFS file, print, and login server for Unix


Jun Mao discovered that Samba did not correctly validate SMB1 packet
contents. An unauthenticated remote attacker could send specially crafted
network traffic that could execute arbitrary code as the root user.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.04
Ubuntu 8.04
Ubuntu 6.06

In general, a standard system update will make all the necessary changes.